T.R.U. Ball Release Fang 4 Hand Held 4-Finger Thumb Black Features Incorporated containment system allows release to hang freely from d-loop! 2 sensitivity adjustment springs for lighter or heavier trigger feel Adjustable thumb barrel positions Ergonomic three and four finger handles The T.R.U. Ball Fang Series expands into the hunting hand held family with the introduction of the Fang 3 and Fang 4. Featuring a Full Containment System (FCS) with a hook-style jaw that allows the archer to push the FCS slide forward to lock the release on the D-loop, for use in a hands free hunting situation or pull the FCS slide back for repetitive shooting. The Fang 3 and Fang 4 provide the ability to shoot with no sensitivity spring for the lightest possible setting or a medium and heavy spring, included in the package, for heavier sensitivity settings. An independent trigger travel adjustment screw allows numerous different settings as desired by the archer. Adjustable thumb barrel positions can be attained with the large knurled thumb peg and teardrop. Pull the trigger to fire, then pull trigger again after firing to reset the hook. The archer can choose between an ergonomic three finger or four finger handle.